Finding the Fourth Proportional to 4,791,340.28, 6,612,143.09 and 2,615,888.99
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Solution
The fourth proportional to 4,791,340.28, 6,612,143.09 and 2,615,888.99 is: 3,609,977.85
Step by Step Solution
- Step 1: Write the proportion equation
4,791,340.28 : 6,612,143.09 = 2,615,888.99 : x - Step 2: Convert to fraction form
4,791,340.28/6,612,143.09 = 2,615,888.99/x - Step 3: Cross multiply
4,791,340.28x = 6,612,143.09 × 2,615,888.99 - Step 4: Simplify right side
4,791,340.28x = 17,296,632,263,295.42 - Step 5: Solve for x
x = 17,296,632,263,295.42/4,791,340.28 - Step 6: Final answer
x = 3,609,977.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.